MOA 2021-BLG-144

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb4-R-9-84849
Discovery date:	2021-05-23T18:58:56
RA:	17:56:23.95
Dec:	-30:40:51.04
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
77222	17:56:24.14	-30:40:49.94	15.41 ± 0.06	3.65
77280	17:56:24.02	-30:40:55.42	18.53 ± 0.08	4.20
77336	17:56:23.90	-30:40:47.04	18.91 ± 0.17	4.78
77337	17:56:23.90	-30:40:52.16	16.31 ± 0.08	0.56
77461	17:56:23.63	-30:40:51.38	14.62 ± 0.03	3.76

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	16.32 ± 0.07	3.51
2460246.898 (2023-Oct-29.398)	16.25 ± 0.08	3.19
2460246.909 (2023-Oct-29.409)	16.40 ± 0.08	3.47
2460246.920 (2023-Oct-29.420)	16.59 ± 0.12	3.77
2460246.929 (2023-Oct-29.429)	16.52 ± 0.11	3.58

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 27340.09)

Single lens fit parameters

t_max	=	JD 2459332.95	±	0.34 UT (2021-Apr-28.45)
t_E	=	1.96	±	0.10 days
u₀	=	42.9015	±	0.5877
I_base	=	3.09	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice